Here is the full list of all 103 Forager achievements. It takes around 60-80 hours to unlock all of the achievements on Windows.
Achieve every other feat
Make 1 million coins using banks
Have 1,000,000,000,000 coins
Have 1,000,000,000 coins
Collect every accessory
Own 100 nuclear structures at once
Collect every tool and weapon
Plant 100 seeds
Water 100 seeds
Find every secret room
Complete a dungeon without taking damage
Light all torches in the Skull Maze
Build on top of every water tile
Upgrade all rods
Upgrade a structure to use nuclear power
Defeat the Toxic Guardian
Have 1,000,000 coins
Eat a gem
Reach Void level 30
Use a bottled rainbow
Defeat the Dark Beet
Defeat the Slime King
Build 200 structures
Defeat the Skeleton King
Obtain a sigil
Reach Void level 20
Win the jackpot at a slot machine
Collect every artifact
Complete every museum bundle
Open all big treasure chests
Collect every seal
Complete the museum Archaeology bundle
Obtain a Nuclear tier item
Get a Cosmic gear item
Complete every NPC quest
Help the Ghost
Get a Void gear item
Have 3 bombs active at once
Reach Void level 10
Reach Void level 5
Help the Fox
Have 100,000 coins
Learn every skill
Shoot 100 arrows
Complete the Crystal Cave
Find 3 secret rooms
Help the Goblin
Talk to every NPC
Buy every land
Kill 3 enemies or more with a single sword slash
Win the ice wizard challenge
Kill a magic deer
Complete the Fire Temple
Solve the Fire Galaxy puzzle
Help the Wizard
Solve the Skull Galaxy puzzle
Perform a challenging blood ritual
Activate a droid
Have 10 max health
Solve the Ancient Galaxy puzzle
Complete the museum Building bundle
Help the Old Man
Complete the museum Trapping bundle
Complete the museum Alchemy bundle
Complete the museum Mining bundle
Open 20 big treasure chests
Help the Engineer
Complete the museum Foraging bundle
Craft 10,000 items
Dig up an archaeology item
Die 10 times
Bottle 100 critters
Solve the Frozen Galaxy puzzle
Complete the museum Farming bundle
Open a skull chest
Complete the Skull Maze
Own 10 lands and 5,000 coins
Complete the museum Cooking bundle
Have 100 poop in your inventory
Fail miserably at a trivia minigame
Destroy 100 gravestones
Complete the Ancient Tomb
Kill an enemy with a single arrow shot
Help the Princess
Dodge 10 attacks
Dodge a lethal attack
Kill all giant beets
Mine the giant crystal
Gather royal steel or royal clothing
Have one of each gem in your inventory
Play the game for 3 hours
Build 20 structures
Own 5 lands
Kill 100 enemies
Have 100 jelly in your inventory
Catch 50 fish
Have 1,000 items in your inventory
Have 5,000 items in your inventory
Craft 500 furnace items
Craft 2,000 coins
Dig up 50 items
Help the Druid
Help the Fairy Queen